Ina Garten's Chicken Chili

Ingredients (15)

• 8 cups chopped sweet onions
• 2 tablespoons extra virgin olive oil
• ¼ cup minced garlic
• 4 medium red bell peppers
• 4 medium yellow bell peppers
• 2 teaspoons chili powder
• 2 teaspoons ground cumin
• ½ teaspoon red pepper flakes
• ½ teaspoon ground cayenne pepper
• 4 teaspoons kosher salt,
• Four 28-ounce cans whole peeled plum tomatoes in puree,
• ½ cup minced fresh basil leaves
• 6 cups shredded cooked chicken breasts
• freshly ground black pepper
• onions, corn chips, grated cheese, sour cream